/*
 * Copyright (C) 2013 Sony Computer Entertainment Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY SCE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SCE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "WebTileDrawingAreaProxy.h"

#if ENABLE(MANX_HTMLTILE)

#include "DrawingAreaMessages.h"
#include "UpdateInfo.h"
#include "WebPageProxy.h"
#include "WebProcessProxy.h"
#include "notImplemented.h"
#include <WebCore/IntRect.h>

using namespace WebCore;

namespace WebKit {

PassOwnPtr<WebTileDrawingAreaProxy> WebTileDrawingAreaProxy::create(WebPageProxy* webPageProxy)
{
    return adoptPtr(new WebTileDrawingAreaProxy(webPageProxy));
}

WebTileDrawingAreaProxy::WebTileDrawingAreaProxy(WebPageProxy *webPageProxy)
    : DrawingAreaProxy(DrawingAreaTypeImpl, webPageProxy)
    , m_pendingUpdateInfo(0)
{
}

WebTileDrawingAreaProxy::~WebTileDrawingAreaProxy()
{
}

const UpdateInfo* WebTileDrawingAreaProxy::pendingUpdateInfo() const
{
    return m_pendingUpdateInfo;
}

void WebTileDrawingAreaProxy::didUpdate()
{
    m_webPageProxy->process()->send(Messages::DrawingArea::DidUpdate(), m_webPageProxy->pageID());
}

void WebTileDrawingAreaProxy::visibilityDidChange()
{
    if (m_webPageProxy->suppressVisibilityUpdates())
        return;

    if (m_webPageProxy->isViewVisible())
        m_webPageProxy->process()->send(Messages::DrawingArea::ResumePainting(), m_webPageProxy->pageID());
    else
        m_webPageProxy->process()->send(Messages::DrawingArea::SuspendPainting(), m_webPageProxy->pageID());
}

void WebTileDrawingAreaProxy::sizeDidChange()
{
    // We don't support changing sizes after the initial one is set
    notImplemented();
}

void WebTileDrawingAreaProxy::deviceScaleFactorDidChange()
{
    notImplemented();
}

void WebTileDrawingAreaProxy::update(uint64_t backingStoreStateID, const UpdateInfo& updateInfo)
{
    ASSERT_ARG(backingStoreStateID, !backingStoreStateID);

    if (updateInfo.updateRectBounds.isEmpty())
        return;

    m_pendingUpdateInfo = &updateInfo;
    // Don't worry about the updateRects, we'll handle them on the other side
    m_webPageProxy->setViewNeedsDisplay(IntRect());
    m_pendingUpdateInfo = 0;
}

void WebTileDrawingAreaProxy::didUpdateBackingStoreState(uint64_t backingStoreStateID, const UpdateInfo &, const LayerTreeContext &)
{
    ASSERT_NOT_REACHED();
    notImplemented();
}

} // namespace WebKit

#endif // ENABLE(MANX_HTMLTILE)
